I got 224. 7(4)^2 = 112 •2 =224
<span>Only –3 is an extraneous solution.
</span>
<em>Your</em><em> </em><em>answer </em><em>is</em><em> </em><em>-</em><em>6</em><em>.</em>
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Gcf of 6,14,18: 2
And you mean lcm?
I'm assuming there is probably a graph that goes with this problem so here is all the info I can give you with the four choices:
If it is -1/3, the line will go DOWN 1, over 3 (just count on the graph)
If it is 3, the line will go UP 3, over 1
If it is 1/3, the line will go UP 1, over 3
And if it it -3, it will go DOWN 3, over 1
(If the slope is 3 or -3, it would be quite steep compared to a slope of 1/3 or -1/3)
Hope that helps!
